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Finding the Fourth Proportional to 196,311.20, 294,466.80 and 173,760.80

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Solution

The fourth proportional to 196,311.20, 294,466.80 and 173,760.80 is: 260,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,311.20 : 294,466.80 = 173,760.80 : x
  2. Step 2: Convert to fraction form
    196,311.20/294,466.80 = 173,760.80/x
  3. Step 3: Cross multiply
    196,311.20x = 294,466.80 × 173,760.80
  4. Step 4: Simplify right side
    196,311.20x = 51,166,786,741.44
  5. Step 5: Solve for x
    x = 51,166,786,741.44/196,311.20
  6. Step 6: Final answer
    x = 260,641.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.